FILE – In this Tuesday, Jan. 29, 2019, file photo, a chimney, the last remaining original structure from the days when survivors of the Clotilda, the last known slave ship brought into the United States, inhabited the area, stands in an abandoned lot in Africatown in Mobile, Ala. On Wednesday, May 22, 2019, authorities said that researchers have located the wreck of Clotilda. (AP Photo/Julie Bennett, File)